<template>
  <div class="table">
    <div class="container">
      <div class="handle-box">
        <el-button type="primary" size="mini" @click="delAll">批量删除</el-button>
        <el-input v-model="select_word" size="mini" placeholder="请输入歌手名" class="handle-input"/>
        <el-button type="primary" size="mini" @click="centerDialogVisible = true">添加歌手</el-button>
      </div>
    </div>
    <el-table size="mini" border style="width: 100%" :data="data" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="40px">

      </el-table-column>
      <el-table-column label="歌手图片" width="110px" align="center">
        <template slot-scope="scope">
          <div class="singer-img">
            <img :src="getUrl(scope.row.pic)" style="width:100%"/>
          </div>
          <el-upload :action="uploadUrl(scope.row.id)" :before-upload="beforeAvatorUpload"
                     :on-success="handleAvatorSuccess">
            <el-button size="mini">更新图片</el-button>
          </el-upload>
        </template>
      </el-table-column>
      <el-table-column prop="name" label="歌手" width="120px" align="center"/>
      <el-table-column prop="sex" label="性别" width="50px" align="center">
        <template slot-scope="scope">
          {{changeSex(scope.row.sex)}}
        </template>
      </el-table-column>
      <el-table-column prop="birth" label="生日" width="120px" align="center">
        <template slot-scope="scope">
          {{attachBirth(scope.row.birth)}}
        </template>
      </el-table-column>
      <el-table-column prop="location" label="地区" width="100px" align="center"/>
      <el-table-column prop="introduction" label="简介" align="center">
        <template slot-scope="scope">
          <p style="height: 90px;overflow: scroll;overflow-x:hidden">
            {{scope.row.introduction}}
          </p>
        </template>
      </el-table-column>
      <el-table-column label="歌曲管理" width="110px" align="center">
        <template slot-scope="scope">
          <el-button size="mini" @click="songEdit(scope.row.id,scope.row.name)">
            歌曲管理
          </el-button>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="150px" align="center">
        <template slot-scope="scope">
          <el-button size="mini" @click="handleEdit(scope.row)">
            编辑
          </el-button>
          <el-button size="mini" type="danger" @click="handleDelete(scope.row.id)">
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <div class="pagination">
      <el-pagination
        background
        layout = "total,prev,pager,next"
        :current-page="currentPage"
        :page-size="pageSize"
        :total="tableData.length"
        @current-change="handleCurrentChange"
      >
      </el-pagination>
    </div>

    <el-dialog title="添加歌手" :visible.sync="centerDialogVisible" width="400px" center>
      <el-form :model="registerForm" ref="registerForm" label-width="80px">
        <el-form-item prop="name" label="歌手名" size="mini">
          <el-input v-model="registerForm.name" placeholder="歌手名"/>
        </el-form-item>
        <el-form-item label="歌手名" size="mini">
          <el-radio-group v-model="registerForm.sex">
            <el-radio :label="0">女</el-radio>
            <el-radio :label="1">男</el-radio>
            <el-radio :label="2">组合</el-radio>
            <el-radio :label="3">不明</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="生日" size="mini">
          <el-date-picker type="date" placeholder="选择日期" v-model="registerForm.birth" style="width: 100%"/>
        </el-form-item>
        <el-form-item prop="location" label="地区" size="mini">
          <el-input v-model="registerForm.location" placeholder="地区"/>
        </el-form-item>
        <el-form-item prop="introduction" label="简介" size="mini">
          <el-input v-model="registerForm.introduction" placeholder="简介" type="textarea"/>
        </el-form-item>
      </el-form>
      <span slot="footer">
        <el-button size="mini" @click="addSinger">
          确定
        </el-button>
        <el-button size="mini" @click="centerDialogVisible = false">
          取消
        </el-button>
    </span>
    </el-dialog>

    <el-dialog title="修改歌手" :visible.sync="editVisible" width="400px" center>
      <el-form :model="form" ref="form" label-width="80px">
        <el-form-item prop="name" label="歌手名" size="mini">
          <el-input v-model="form.name" placeholder="歌手名"/>
        </el-form-item>
        <el-form-item label="性别" size="mini">
          <el-radio-group v-model="form.sex">
            <el-radio :label="0">女</el-radio>
            <el-radio :label="1">男</el-radio>
            <el-radio :label="2">组合</el-radio>
            <el-radio :label="3">不明</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item prop="birth" label="生日" size="mini">
          <el-date-picker type="date" placeholder="选择日期" v-model="form.birth" style="width: 100%"/>
        </el-form-item>
        <el-form-item prop="location" label="地区" size="mini">
          <el-input v-model="form.location" placeholder="地区"/>
        </el-form-item>
        <el-form-item prop="introduction" label="简介" size="mini">
          <el-input v-model="form.introduction" placeholder="简介" type="textarea"/>
        </el-form-item>
      </el-form>
      <span slot="footer">
        <el-button size="mini" @click="editSave">
          确定
        </el-button>
        <el-button size="mini" @click="editVisible = false">
          取消
        </el-button>
    </span>
    </el-dialog>

    <el-dialog title="删除歌手" :visible.sync="delVisible" width="300px" center>
      <div align="center">
        删除不可恢复，是否确定删除
      </div>
      <span slot="footer">
        <el-button size="mini" @click="deleteRow">
          确定
        </el-button>
        <el-button size="mini" @click="delVisible = false">
          取消
        </el-button>
    </span>
    </el-dialog>
  </div>
</template>

<script>
import {delSinger, getAllSinger, setSinger, updateSinger} from '../api/index'
import {mixin} from '../mixins/index'

export default {
  mixins: [mixin],
  name: 'InfoPage',
  data () {
    return {
      // 添加弹窗
      centerDialogVisible: false,
      editVisible: false,
      delVisible: false,
      registerForm: {
        name: '',
        sex: '',
        birth: '',
        location: '',
        introduction: ''
      },
      form: {
        id: '',
        name: '',
        sex: '',
        birth: '',
        location: '',
        introduction: ''
      },
      tableData: [],
      tempData: [],
      select_word: '',
      currentPage: 1,
      pageSizes: [5, 10, 20, 50],
      pageSize: 5,
      // 当前选择项
      idx: '',
      // 哪些项已经打勾
      multipleSelection: []
    }
  },
  computed: {
    data() {
      return this.tableData.slice((this.currentPage - 1) * this.pageSize, this.currentPage * this.pageSize)
    }
  },
  watch: {
    select_word: function() {
      if (this.select_word === '') {
        this.tableData = this.tempData
      } else {
        this.tableData = []
        for (let item of this.tempData) {
          if (item.name.includes(this.select_word)) {
            this.tableData.push(item)
          }
        }
      }
    }
  },
  created () {
    this.getData()
  },
  methods: {
    handleCurrentChange(current) {
      this.currentPage = current
    },
    uploadUrl(id) {
      return `${this.$store.state.HOST}/singer/updateSingerPic?id=${id}`
    },
    getData() {
      this.tableData = []
      this.tableData = []
      getAllSinger().then(res => {
        console.log(res)
        this.tableData = res.data
        this.tempData = res.data
        this.currentPage = 1
      })
    },
    addSinger () {
      let d = this.registerForm.birth
      let datetime = d.getFullYear() + '-' + (d.getMonth() + 1) + '-' + d.getDate() +
      ' ' + d.getHours() + ':' + d.getMinutes() + ':' + d.getSeconds()
      let params = {
        'name': this.registerForm.name,
        'sex': this.registerForm.sex,
        'pic': '/img/singerPic/defaultSingerPic.jpg',
        'birth': datetime,
        'location': this.registerForm.location,
        'introduction': this.registerForm.introduction
      }
      setSinger(params).then(res => {
        console.log(res)
        if (res.code === 200) {
          this.getData()
          this.$message.success('添加成功')
          this.registerForm.name = ''
          this.registerForm.sex = ''
          this.registerForm.location = ''
          this.registerForm.introduction = ''
          this.registerForm.birth = ''
        } else {
          this.$message.error('添加失败')
        }
      })
      this.centerDialogVisible = false
      this.timer = setTimeout(() => { // 设置延迟执行
        this.getData()
      }, 1000)
    },
    // 弹出编辑页面
    handleEdit(row) {
      this.editVisible = true
      this.form = {
        id: row.id,
        name: row.name,
        sex: row.sex,
        birth: row.birth,
        location: row.location,
        introduction: row.introduction
      }
    },
    // 保存编辑页面修改的数据
    editSave() {
      let d = new Date(this.form.birth)
      let datetime = d.getFullYear() + '-' + (d.getMonth() + 1) + '-' + d.getDate() +
        ' ' + d.getHours() + ':' + d.getMinutes() + ':' + d.getSeconds()
      let params = {
        'id': this.form.id,
        'name': this.form.name,
        'sex': this.form.sex,
        'birth': datetime,
        'location': this.form.location,
        'introduction': this.form.introduction
      }
      updateSinger(params).then(res => {
        console.log(res)
        if (res.code === 200) {
          this.getData()
          this.$message.success('修改成功')
          this.form = ''
        } else {
          this.$message.error('修改失败')
        }
      })
      this.editVisible = false
    },
    deleteRow() {
      delSinger(this.idx).then(res => {
        if (res.code === 200) {
          this.getData()
          this.$message.success('删除成功')
        } else {
          this.$message.error('删除失败')
        }
      })
      this.delVisible = false
    },
    songEdit(id, name) {
      this.$router.push({path: `/Song`, query: {id, name}})
    }
  }
}
</script>

<style scoped>
  .handle-box {
    margin-bottom: 20px;
  }
  .singer-img{
    width: 100%;
    height: 80px;
    border-radius: 5px;
    margin-bottom: 5px;
    overflow: hidden;
  }
  .handle-input{
    width: 300px;
    display: inline-block;
  }
  .pagination{
    display: flex;
    justify-content: center;
  }
</style>
